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gEDA-cvs: branch: master updated (1.1.0-20070705-1-g22d475b)



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       via  22d475b9beb10be2aa27197d6ad59f728a1f034f (commit)
      from  0cde8c1cf6c863946c3d4acdc9e9165c99526bef (commit)

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=========
 Summary
=========

 libgeda/src/s_clib.c |   72 +++++++++++++++++++++++++++++--------------------
 1 files changed, 43 insertions(+), 29 deletions(-)


=================
 Commit Messages
=================

commit 22d475b9beb10be2aa27197d6ad59f728a1f034f
Author: Peter TB Brett <peter@xxxxxxxxxxxxx>
Date:   Thu Jul 5 07:55:43 2007 +0100

    libgeda: Handle multiple libraries with the same name nicely.
    
    If a component library is added which has the same name as an existing library,
    rewrites the name in the form "name<number>".

:100644 100644 33add0d... 7bb4824... M	libgeda/src/s_clib.c

=========
 Changes
=========

commit 22d475b9beb10be2aa27197d6ad59f728a1f034f
Author: Peter TB Brett <peter@xxxxxxxxxxxxx>
Date:   Thu Jul 5 07:55:43 2007 +0100

    libgeda: Handle multiple libraries with the same name nicely.
    
    If a component library is added which has the same name as an existing library,
    rewrites the name in the form "name<number>".

diff --git a/libgeda/src/s_clib.c b/libgeda/src/s_clib.c
index 33add0d..7bb4824 100644
--- a/libgeda/src/s_clib.c
+++ b/libgeda/src/s_clib.c
@@ -215,6 +215,7 @@ static gint compare_symbol_name (gconstpointer a, gconstpointer b);
 static gchar *run_source_command (const gchar *command);
 static CLibSymbol *source_has_symbol (const CLibSource *source, 
 				      const gchar *name);
+static gchar *uniquify_source_name (const gchar *name);
 static void refresh_directory (CLibSource *source);
 static void refresh_command (CLibSource *source);
 static void refresh_scm (CLibSource *source);
@@ -461,6 +462,35 @@ static CLibSymbol *source_has_symbol (const CLibSource *source,
   return NULL;
 }
 
+/*! \brief Make sure a source name is unique.
+ *  \par Function Description
+ *  Checks if a source already exists with the given \a name.  If one
+ *  does, appends a number to the source name.  If \a name is not
+ *  already in use, returns it as is.  The return value is always a
+ *  newly-allocated string, and should be freed.
+ *  it.
+ */
+static gchar *uniquify_source_name (const gchar *name)
+{
+  gchar *newname = NULL;
+  gint i = 0;
+
+  if (s_clib_get_source_by_name (name) == NULL) {
+    return g_strdup (name);
+  }
+
+  do {
+    g_free (newname);
+    i++;
+    newname = g_strdup_printf ("%s<%i>", name, i);
+  } while (s_clib_get_source_by_name (newname) != NULL);
+
+  s_log_message ("Library name [%s] already in use.  Using [%s].\n", 
+                 name, newname);
+
+  return newname;
+}
+
 /*! \brief Rescan a directory for symbols.
  *  \par Function Description
  *  Rescans a directory for symbols.
@@ -735,28 +765,21 @@ const CLibSource *s_clib_get_source_by_name (const gchar *name)
 const CLibSource *s_clib_add_directory (const gchar *directory, 
 					const gchar *name)
 {
-  const CLibSource *oldsource;
   CLibSource *source;
-  gchar *realname;
+  gchar *intname, *realname;
 
   if (directory == NULL) {
     return NULL;
   }
   
   if (name == NULL) {
-    realname = g_path_get_basename (directory);
+    intname = g_path_get_basename (directory);
+    realname = uniquify_source_name (intname);
+    g_free (intname);
   } else {
-    realname = g_strdup(name);
+    realname = uniquify_source_name (name);
   }  
 
-  oldsource = s_clib_get_source_by_name (realname);
-  if (oldsource != NULL) {
-    s_log_message ("Cannot add library [%s]: name in use.\n",
-		   realname);
-    g_free (realname);
-    return NULL;
-  }
-
   source = g_new0 (CLibSource, 1);
   source->type = CLIB_DIR;
   source->directory = g_strdup (directory);
@@ -789,30 +812,25 @@ const CLibSource *s_clib_add_command (const gchar *list_cmd,
                                       const gchar *get_cmd,
 				      const gchar *name)
 {
-  const CLibSource *oldsource;
   CLibSource *source;
+  gchar *realname;
   
   if (name == NULL) {
     s_log_message ("Cannot add library: name not specified\n");
     return NULL;
   }
   
-  oldsource = s_clib_get_source_by_name (name);
-  if (oldsource != NULL) {
-    s_log_message ("Cannot add library [%s]: name in use.\n",
-		   name);
-    return NULL;
-  }
+  realname = uniquify_source_name (name);
 
   if (list_cmd == NULL || get_cmd == NULL) {
     s_log_message ("Cannot add library [%s]: both 'list' and "
                    "'get' commands must be specified.\n",
-		   name);
+		   realname);
   }
 
   source = g_new0 (CLibSource, 1);
   source->type = CLIB_CMD;
-  source->name = g_strdup(name);
+  source->name = realname;
 
   source->list_cmd = g_strdup (list_cmd);
   source->get_cmd = g_strdup (get_cmd);
@@ -841,30 +859,26 @@ const CLibSource *s_clib_add_command (const gchar *list_cmd,
  */
 const CLibSource *s_clib_add_scm (SCM listfunc, SCM getfunc, const gchar *name)
 {
-  const CLibSource *oldsource;
   CLibSource *source;
+  gchar *realname;
 
   if (name == NULL) {
     s_log_message ("Cannot add library: name not specified\n");
     return NULL;
   }  
   
-  oldsource = s_clib_get_source_by_name (name);
-  if (oldsource != NULL) {
-    s_log_message ("Cannot add library [%s]: name in use.\n", name);
-    return NULL;
-  }
+  realname = uniquify_source_name (name);
 
   if (scm_is_false (scm_procedure_p (listfunc)) 
       && scm_is_false (scm_procedure_p (getfunc))) {
     s_log_message ("Cannot add Scheme-library [%s]: callbacks must be closures\n",
-		   name);
+		   realname);
     return NULL;
   }
 
   source = g_new0 (CLibSource, 1);
   source->type = CLIB_SCM;
-  source->name = g_strdup (name);
+  source->name = realname;
   source->list_fn = scm_gc_protect_object (listfunc);
   source->get_fn = scm_gc_protect_object (getfunc);
 




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